Triangular drinking container



FIG. 1 is a perspective view of a triangular drinking container;

FIG. 2 is a front elevational view of the triangular drinking container of FIG. 1;

FIG. 3 is a left side elevational view of the triangular drinking container of FIG. 1; the right side elevational view being a mirror image of the left side elevational view;

FIG. 4 is a rear elevational view of the triangular drinking container of FIG. 1;

FIG. 5 is a top plan view of the triangular drinking container of FIG. 1; and,

FIG. 6 is a bottom plan view of the triangular drinking container of FIG. 1. 

The ornamental design for a triangular drinking container, as shown and described. 